Cov khoom
API 7-1 4145 & Tsis-mag Drill dab tshos
Product Description
Ordinary laum dab tshos yog lub voj voog hla ntu, qhov chaw nruab nrab muaj lub qhov dej, phab ntsa tuab yog loj dua, lub nozzle me me, qhov hnyav ntawm ib chav tsev ntev yog ntau dua qhov loj ntawm cov yeeb nkab laum yuav luag 4-5 zaug .Qhov feem ntau ntawm laum dab tshos yog xov ua haujlwm ncaj qha rau ntawm cov yeeb nkab lub cev, tab sis qee qhov ntawm lawv kuj siv cov kev sib koom ua ke.
Spiral laum dab tshos yog ib hom roj av drilling cuab yeej .Qhov no hom ntawm laum dab tshos muaj peev xwm tiv thaiv qhov sib txawv ntawm qhov siab ntawm cov cuab yeej thaum drilling. Kauv grooves yuav ua rau cov av nkos ntws mus rau ib ncig ntawm lub dab tshos xyaum siv lub zog sib npaug los tiv thaiv kev tsim ntawm kev cuam tshuam thiaj li tiv thaiv kev sib txawv ntawm qhov sib txawv. Qhov chaw tiv thaiv ntawm phab ntsa ntawm lub qhov dej tuaj yeem raug txiav kom ua tau zoo txo qhov muaj peev xwm ntawm kev sib txawv ntawm qhov sib txawv ntawm qhov sib txawv. Kauv grooves yuav ua rau cov av nkos ntws mus rau ib ncig ntawm lub dab tshos xyaum siv lub zog sib npaug los tiv thaiv kev tsim ntawm kev cuam tshuam thiaj li tiv thaiv kev sib txawv ntawm qhov sib txawv. Qhov chaw tiv thaiv ntawm phab ntsa ntawm lub qhov dej tuaj yeem raug txiav kom ua tau zoo txo qhov muaj peev xwm ntawm kev sib txawv ntawm qhov sib txawv ntawm qhov sib txawv. Qhov hnyav ntawm kauv laum dab tshos yog 4-6% tsawg dua li ntawm lub voj voog ncig dab tshos.
Non-Magnetic Laum dab tshos: Tsis yog-magnetic Laum dab tshos yog tsim los ntawm cov khoom siv tsis sib nqus sib nqus nrog lub zog qis los ntawm kev sib txuas cov khoom siv tshuaj lom neeg thiab cov txheej txheem rauj forging nrog tsawg sib nqus permeability zoo heev tshuab muaj peev xwm. peb tuaj yeem muab qhov ntev ntawm 10 mus rau 42 ko taw thiab sab nraud txoj kab uas hla ntawm 31/8 "mus rau 11".
Khoom Specification
| Loj | OD (mm) | ID (mm) | Code | Xov | Ntev (mm) | Qhov hnyav (kg) |
| 3-1/8 | 79.4 ib | 31.8 (1-1/4) | NC23-31 | NC23 | ib 9140 | 298 |
| 3-1/2 | 88.9 ua | 38.1 (1-1/2) | NC26-35 | NC26 | ib 9140 | 364 ib |
| 4-1/8 | 104.8 ib | 50.8 (2) | NC31-41 | NC 31 | 9140/9450 ib | 474/490 ib |
| 4-3/4 | 120.6 ib | 50.8 (2) | NC35-47 | NC 35 | 9140/9450 ib | 674/697 ib |
| 5 | 127 | 57.2 (2-1/4) | NC38-50 | NC 38 | 9140/9450 ib | 725/749 ib |
| 6 | 152.4 ib | 57.2 (2-1/4) | NC44-60 | NC44 | 9140/9450 ib | 1125/1163 ib |
| 71.4(2-13/16) | NC44-60 | 9140/9450 ib | 1022/1056 ib | |||
| 6-1/4 | 158.8 ib | 57.2 (2-1/4) | NC44-62 | NC44 | 9140/9450 ib | 1237/1279 ib |
| 71.4(2-13/16) | NC46-62 | 9140/9450 ib | 1134/1172 ib | |||
| 6-1/2 | 165.1 ib | 57.2 (2-1/4) | NC46-65 | NC46 | 9140/9450 ib | 1352/1398 ib |
| 71.4(2-13/16) | NC46-65 | NC50 | 9140/9450 ib | 1249/1291 ib | ||
| 6-3/4 | 171.4 ib | 57.2 (2-1/4) | NC46-67 | NC46 | 9140/9450 ib | 1471/1521 ib |
| 7 | 177.8 ib | 57.2 (2-1/4) | NC50-70 | NC50 | 9140/9450 ib | 1597/1651 ib |
| 71.4(2-13/16) | NC50-70 | 9140/9450 ib | 1494/1545 ib | |||
| 7-1/4 | 184.2 ib | 71.4(2-13/16) | NC50-72 | NC50 | 9140/9450 ib | 1625/1680 ib |
| 7-3/4 | 196.8 ib | 71.4(2-13/16) | NC56-77 | NC56 | 9140/9450 ib | 1895/1960 ib |
| 8 | 203.2 ib | 71.4(2-13/16) | NC56-80 | NC56/6-5/8 REG | 9140/9450 ib | 2040/2109 ib |
| 8-1/4 | 209.6 ib | 71.4(2-13/16) | 6-5/8 REG | 6-5/8 REG | 9140/9450 ib | 2188/2263 ib |
| 9 | 228.6 ib | 71.4(2-13/16) | NC61-90 | NC61 | 9140/9450 ib | 2658/2748 ib |
| 9-1/2 | 241.3 ib | 76.2(2-13/16) | 7-5/8 REG | 7-5/8 REG | 9140/9450 ib | 2954/3054 ib |
| 9-3/4 | 247.6 ib | 76.2(3) | NC70-97 | NC70 | 9140/9450 ib | 3127/3234 ib |
| 10 | 254 | 76.2(3) | NC70-100 | NC70 | 9140/9450 ib | 3308/3421 ib |
| 11 | 279.4 ib | 76.2(3) | 8-5/8 REG | 8-5/8 REG | 9140/9450 ib | 4072/4210 |
Nta thiab Cov txiaj ntsig
Lub hardness ntau ntawm 285 txog 341 BHN thiab Charpy cuam tshuam tus nqi ntawm 40 ft-lbs yog lav rau sib npaug faib 16 ntsiab lus hauv txhua ntu ntawm chav tsev kub;
Kev sib txuas yog phosphate coated tom qab machining los tiv thaiv cov xov los ntawm cov ntsiab lus corrosive thiab tiv thaiv galling raws li thawj zaug ua-up;
Cov hauv paus hniav yog txias dov rau API kev sib txuas;
Nias steel xov tiv thaiv yog muab rau tag nrho cov laum dab tshos uas tau nruab nrog cov qauv kev sib txuas.
Kev xaiv
Stress relief zawj. Kev ntxhov siab cov yam ntxwv ntawm API tus pin thiab lub thawv sib txuas kom txo tau qhov kev ntxhov siab ntau ntxiv yog li txhim kho qhov khoov lub zog nyob ib ncig ntawm thaj chaw sib txuas.
Txias dov ntawm cov hauv paus hniav tau pom tias muaj txiaj ntsig zoo los txhim kho kev qaug zog ntawm kev sib txuas los ntawm kev txo qis qhov pib tawg.
Hardbanding. Hardbanding ntawm qhov chaw hauv qab thiab saum toj kawg nkaus swb los yog ntawm lub xub pwg pin txuas ntxiv lub neej kev pab cuam ntawm cov hlua tho. Nws tseem tuaj yeem siv rau hauv kev teeb tsa tau teev tseg los ntawm cov neeg siv khoom. Hardbanding ntawm qhov chaw hauv qab thiab saum toj kawg nkaus swb los yog ntawm lub xub pwg pin txuas ntxiv lub neej kev pab cuam ntawm cov hlua tho. Nws tseem tuaj yeem siv rau hauv kev teeb tsa tau teev tseg los ntawm cov neeg siv khoom.
Kev swb thiab of elevator recesses. Lub vojvoog sab sauv ntawm of the elevator recess yog txias dov los txhim kho khoom lub neej. Slip thiab of elevator recesses yog machined raws li API Spec 7-1.
Room 703 Building B, Greenland center, Hi-tech development Zone Xi'an, Suav teb
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